Home / 64,671.24-89,244.47-35,990.45

Finding the Fourth Proportional to 64,671.24, 89,244.47 and 35,990.45

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Solution

The fourth proportional to 64,671.24, 89,244.47 and 35,990.45 is: 49,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,671.24 : 89,244.47 = 35,990.45 : x
  2. Step 2: Convert to fraction form
    64,671.24/89,244.47 = 35,990.45/x
  3. Step 3: Cross multiply
    64,671.24x = 89,244.47 × 35,990.45
  4. Step 4: Simplify right side
    64,671.24x = 3,211,948,009.14
  5. Step 5: Solve for x
    x = 3,211,948,009.14/64,671.24
  6. Step 6: Final answer
    x = 49,665.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.